New York Laws
Title 1 - Fire Protection
58 - Cellar Ceiling.

§ 58. Cellar ceiling. The ceiling of the cellar shall be fire-retarded
or be equipped with a sprinkler system, or the entire cellar shall be
equipped with a fire-detecting system. Any room within the dwelling in
which a boiler or furnace is used for generating heat or hot water to
service the dwelling shall be enclosed with fire-retarded partitions and
every door opening therefrom and its assembly shall be fireproof with
the door self-closing. The ceiling of such room shall also be
fire-retarded or be equipped with a sprinkler system, or the room shall
be equipped with a fire-detecting system.

Structure New York Laws